CHAPTER 
. INTRODUCTORY . 
CONTENTS 
. THE PLant as A Working MACHINE 
. Roots anp THEIR RELATIONS TO THE Work oF PLANTS 
. MANUFACTURE, TRANSPORTATION, AND Usr or Foops 
IN PLANTS 
. Tue STEM AND THE Lear 
. SPECIAL FuNcTIONS AND Forms or STEMS 
. Bups anp BraNncHES 
. TimBeR; ForESTRY . 
. FLOWERS . 
. POLLINATION AND FERTILIZATION . 
. Fruirs; SEEDS AND SEEDLINGS; SeeD Disrripurion. 
. PLant BREEDING . 
. How PLants ARE CLASSIFIED 
. Tue BACTERIA. 
. THE ALGE 
. Funer anp Funcous DIsEAsres or PLANTS 
. Mosses, Liverworts, AND FERNS 
. THE SEED PLANTS 
. Puant InpDustTRIES 
. WEEDS 
APPENDIX 
GLOSSARY 
INDEX 
vii 
PAGE 
